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selftests: Use -isystem instead of -I to include headers

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Selftests need kernel headers and glibc for compilation. In compilation
of selftests, uapi headers from kernel source are used instead of
default ones while glibc has already been compiled with different header
files installed in the operating system. So there can be redefination
warnings from compiler. These warnings can be suppressed by using
-isystem to include the uapi headers.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Muhammad Usama Anjum 2022-02-14 21:07:56 +05:00 committed by Shuah Khan
parent 681696862b
commit 46e50459ea
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/Makefile
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@ -129,11 +129,11 @@ ifneq ($(KBUILD_OUTPUT),)
# $(realpath ...) resolves symlinks
abs_objtree := $(realpath $(abs_objtree))
BUILD := $(abs_objtree)/kselftest
KHDR_INCLUDES := -I${abs_objtree}/usr/include
KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include
else
BUILD := $(CURDIR)
abs_srctree := $(shell cd $(top_srcdir) && pwd)
KHDR_INCLUDES := -I${abs_srctree}/usr/include
KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include
DEFAULT_INSTALL_HDR_PATH := 1
endif